/Engine/Source/Runtime/Engine/Classes/Components/InputComponent.h
Binds this input component to touch events. Returned reference is only guaranteed to be valid until another touch event is bound.
template<class UserClass> [FInputTouchBinding](API\Runtime\Engine\Components\FInputTouchBinding) & BindTouch ( const EInputEvent KeyEvent, UserClass * Object, typename FInputTouchHandlerSignature::TMethodPtr< UserClass > Func )